Home / 18,156.14-27,225.70-7,623.91

Finding the Fourth Proportional to 18,156.14, 27,225.70 and 7,623.91

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Solution

The fourth proportional to 18,156.14, 27,225.70 and 7,623.91 is: 11,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.14 : 27,225.70 = 7,623.91 : x
  2. Step 2: Convert to fraction form
    18,156.14/27,225.70 = 7,623.91/x
  3. Step 3: Cross multiply
    18,156.14x = 27,225.70 × 7,623.91
  4. Step 4: Simplify right side
    18,156.14x = 207,566,242.92
  5. Step 5: Solve for x
    x = 207,566,242.92/18,156.14
  6. Step 6: Final answer
    x = 11,432.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.